LangChain raises $300M at $3B valuation in Series C led by CapitalG

LangChain · x · 2026-11-14

LangChain announced a $300M Series C at a $3B valuation, led by CapitalG. New investors include GIC, DFJ Growth, Salesforce Ventures, Insight Partners, QuantumLight, and MongoDB Ventures, with existing backers Sapphire, IVP, Sequoia, Benchmark, Amplify, and Frontline participating.

The company says more than 7,000 companies already rely on LangSmith for agent runtime, improvement, and governance; the new capital will fund its mission to let every company own its intelligence.

Related event: LangChain Raises $300M Series C at $3B Valuation, Led by CapitalG(5 posts)→

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